Buffer overflow in Microsoft Edge

CVE-2018-0939

ChakraCore and Microsoft Edge in Windows 10 1703 and 1709 allow information disclosure, due to how the scripting engine handles objects in memory, aka "Scripting Engine Information Disclosure Vulnerability". This CVE ID is unique from CVE-2018-0891.

Vulnerability class: Buffer Overflow

EPSS: 0.056 (92.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2018-0939?
CVE-2018-0939 is a medium-severity vulnerability in Microsoft Edge, classified under Out-of-bounds Write. CVSS score: 4.3/10. Published 2018-03-14.
How severe is CVE-2018-0939?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2018-0939 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.